public with sharing class PositionSearch {
 public String searchString{
		get;
		set;
	}
 public List<Position__c> results{
		get;
		set;
	}
	public PageReference doSearch()
	{
		results=(List<Position__c>)[Find:searchString IN Name Fields RETURNING Position__c(name,Hiring_Manager__c,Department__c) ][0];
		System.debug('Done!');
		return null;
	}
	
	public void doSomething()
	{
		throw new MyException('An Error');
	}	

}